'Half-mast' definitions:
Definition of 'half-mast'
From: WordNet
noun
A position some distance below the top of a mast to which a flag is lowered in mourning or to signal distress [syn: half-mast, half-staff]
Definition of 'Half-mast'
From: GCIDE
- Half-mast \Half"-mast`\ (-m[.a]st`), n. A point some distance below the top of a mast or staff; as, a flag a half-mast (a token of mourning, etc.). [1913 Webster]